Company lists · Data refreshed September 2026

Top 25 Professional liability defense law firms worldwide

RevenueBase identified 5,297 company matches for professional liability defense law firms worldwide as of September 2026 and tracks 85,421 professional contacts across them, including 41,534 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for professional liability defense law firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026. Country and city lists for professional liability defense law firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
5,297Companies
85,421Contacts tracked
41,534Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest professional liability defense law firms worldwide

Ranked by team size
Top 25 of 5,297 company matches for professional liability defense law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCity Of London, United KingdomHQ recorded Sep 29, 20261,001-5,0002,847 contacts →

Exact match

“Every day we make a difference.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261,001-5,0002,649 contacts →

Exact match

“Wilson Elser is the preeminent defense litigation firm in the United States.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchColumbia, SC, United StatesHQ recorded Sep 29, 20261,001-5,0002,012 contacts →

Exact match

“Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact match500 Attorneys. 17 Locations Nationwide., MN, United StatesHQ recorded Sep 29, 2026501-1,0001,167 contacts →

Exact match

“Stinson LLP collaborates with clients ranging from individuals and privately held enterprises to national companies and international public corporations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 29, 20261,001-5,0001,147 contacts →

Exact match

“Welcome to our company page!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchUnited StatesHQ recorded Sep 29, 2026n/a1,100 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchMiami, FL, United StatesHQ recorded Sep 29, 20261,001-5,0001,068 contacts →

Exact match

“Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 2026501-1,000815 contacts →

Exact match

“Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchBirmingham, AL, United StatesHQ recorded Sep 29, 2026501-1,000738 contacts →

Exact match

“Providing a Spectrum of Healthcare Liability and Other Insurance Solutions … and More ProAssurance’s group of insurance companies specializes in providing the full spectrum of…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 29, 2026501-1,000579 contacts →

Exact match

“As a national law firm defending corporations, non-profits, associations and their officers & directors in every manner of litigation, O'Hagan Meyer provides individualized…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchColumbia, SC, United StatesHQ recorded Sep 29, 2026501-1,000576 contacts →

Exact match

“MGC is a metrics-driven law built specifically to serve the insurance industry, their insureds and self-insureds.#MGCLaw #TeamMGC”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchMinneapolis, MN, United StatesHQ recorded Sep 29, 2026501-1,000537 contacts →

Exact match

“Bowman and Brooke LLP is a nationally recognized trial firm with one of the largest product liability practices in the country.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026501-1,000537 contacts →

Exact match

“A firm of internationally recognized trial lawyers, crisis managers, and strategic advisors known for our creative, aggressive, and efficient pursuit of success for our clients.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 2026201-500524 contacts →

Exact match

“MagMutual is a liability insurance provider and healthcare consultancy working to protect and support physicians and healthcare organizations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchMinneapolis, MN, United StatesHQ recorded Sep 29, 2026501-1,000519 contacts →

Exact match

“Robins Kaplan LLP is among the nation’s premier trial law firms, with more than 200 attorneys in Bismarck, N.D; Boston; Los Angeles; Minneapolis; New York; Silicon Valley; and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchDallas, TX, United StatesHQ recorded Sep 29, 2026201-500513 contacts →

Exact match

“Thompson Coe has been providing legal services to clients both regionally and nationally for more than 70 years.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Sep 29, 2026201-500456 contacts →

Exact match

“Tyson & Mendes’ goal is to achieve justice for all through innovation, collaboration, and outstanding service.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 29, 2026501-1,000424 contacts →

Exact match

“Litchfield Cavo LLP began as a small firm of attorneys experienced in insurance and business defense matters.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchPittsburgh, PA, United StatesHQ recorded Sep 29, 2026201-500400 contacts →

Exact match

“21 Offices | 11 States | 1 Firm Dickie, McCamey & Chilcote, P.C.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchPittsburgh, PA, United StatesHQ recorded Sep 29, 2026201-500357 contacts →

Exact match

“Our Commitment The Mission of Cipriani & Werner, P.C.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchFt. Lauderdale, FL, United StatesHQ recorded Sep 29, 2026201-500356 contacts →

Exact match

“Our verdicts tell the story.™ Luks and Santaniello, LLC is a Corporate and Insurance Defense Litigation firm committed to securing equal justice in the courtroom for…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchSão Paulo, BrazilHQ recorded Sep 29, 2026201-500336 contacts →

Exact match

“Escritório de advocacia.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchTampa, FL, United StatesHQ recorded Sep 29, 2026201-500329 contacts →

Exact match

“Butler is a civil litigation firm.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchNew Orleans, LA, United StatesHQ recorded Sep 29, 2026201-500328 contacts →

Exact match

“Galloway Johnson Tompkins Burr & Smith stands ready as a premier corporate defense and litigation firm in the Gulf South and Midwest to be your strategic advisor.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchMinneapolis, MN, United StatesHQ recorded Sep 29, 2026201-500311 contacts →

Exact match

“As a national defense law firm with more than 110 attorneys in offices from coast to coast, Foley Mansfield provides legal expertise, creative solutions and extensive trial…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 5,297 professional liability defense law firms worldwide

See the full list, filter by size, metro and specialty, and access 41,534 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Professional liability defense law firms worldwide at a glance

As of Sep 29, 2026
48.6%Verified-email coverage
16.1Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
2,977
11-50
1,815
51-200
404
201-500
48
501-1,000
17
1,001-5,000
11
5,001-10,000
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for professional liability defense law firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “professional liability defense law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 41,534 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Professional liability defense law firms by location

40 lists · largest first

Every Professional liability defense law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “professional liability defense law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional liability defense law firms are there worldwide?

RevenueBase identified 5,297 company matches for professional liability defense law firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Kennedys tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most professional liability defense law firms?

The United States leads with 3,041 companies, followed by Brazil (358) and Spain (136). Every professional liability defense law firms list by country and city is linked on this page.

Which city has the most professional liability defense law firms?

New York leads with 140 company records, followed by Chicago (127) and Houston (81).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 41,534 professional contacts with verified work emails tracked across these 5,297 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 5,297 professional liability defense law firms worldwide. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.